XML 60 R1.htm IDEA: XBRL DOCUMENT v3.3.0.814
Document and Entity Information
9 Months Ended
Sep. 30, 2015
shares
Document and Entity Information [Abstract]  
Entity Registrant Name 3M Company
Trading Symbol mmm
Entity Central Index Key 0000066740
Document Type 10-Q
Document Period End Date Sep. 30, 2015
Amendment Flag false
Current Fiscal Year End Date --12-31
Entity Current Reporting Status Yes
Entity Filer Category Large Accelerated Filer
Entity Common Stock, Shares Outstanding 615,712,937
Document Fiscal Year Focus 2015
Document Fiscal Period Focus Q3